1/4″-20 x 3-1/2″ (100 Pack) Galvanized Carriage Bolt Kit Grade 307A, Includes: USS Flat Washers (100 pcs) and Hex Nuts (100 pcs), Hot Dip Galvanized for Exterior Use by Fastener Depot
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- Coarse Thread
- Superior Corrosion Resistance
- Hot Dipped Galvanized Finish
- Grade A
- Full Thread
- Minimum Tensile Strength: 60,000 PSI
- Coating Thickness: for sizes 3/8“ & under : 0.0017” (43 microns) | for sizes over 3/8“ : 0.0020” (50 microns)
- Specifications Met: ASTM F2329/F2329M or ASTM A153/A153M
- RoHS Compliant
- Kit Includes Nuts and Washers
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